I bought future historical data from Pi Trading. The contract price have been rolled over into a continuous contract at 1-minute interval. I imported them followed by the online doc instruction, and I am pretty sure there is noting weird in the log. For example, I imported eMini natural gas continuous contract data into the instrument "QG 06-09". But when I look at the chart at particular time, say, 2007/01/01-2007/08/09, the data does not pop up(I am sure there is data available at this time). What is the problem here? And what is the best way to import continuous future contract into NT6?
Thanks,
Zheng
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